47213758487251 has 2 divisors, whose sum is σ = 47213758487252. Its totient is φ = 47213758487250.

The previous prime is 47213758487227. The next prime is 47213758487257. The reversal of 47213758487251 is 15278485731274.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47213758487251 - 2¹⁵ = 47213758454483 is a prime.

It is not a weakly prime, because it can be changed into another prime (47213758487257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23606879243625 + 23606879243626.

It is an arithmetic number, because the mean of its divisors is an integer number (23606879243626).

Almost surely, 2^{47213758487251} is an apocalyptic number.

47213758487251 is a deficient number, since it is larger than the sum of its proper divisors (1).

47213758487251 is an equidigital number, since it uses as much as digits as its factorization.

47213758487251 is an evil number, because the sum of its binary digits is even.

The product of its digits is 105369600, while the sum is 64.

The spelling of 47213758487251 in words is "forty-seven trillion, two hundred thirteen billion, seven hundred fifty-eight million, four hundred eighty-seven thousand, two hundred fifty-one".